<span>The nucleolus </span>is the site of ribosome assembly in a cell.
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A concentration gradient is a process of particles, which are sometimes called solutes, moving through a solution or gas from an area with a higher number of particles to an area with a lower number of particles. The areas are separated by a membrane.
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Answer:
transporter, or shipper, bearer
Explanation:
a good site to use is thesaurus when you need to find synonyms
Answer:
I'm pretty sure the answers for this is D, C, and B.